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A kind of preparation method of zinc oxide modified aramid fiber two-bath dipping solution

A zinc oxide modified and aramid fiber technology, which is applied in fiber treatment, fiber type, textiles and papermaking, etc., can solve the problems of easy agglomeration, uneven dispersion and poor stability of nano zinc oxide, and achieve uniform particle size distribution, Good stability, increase the effect of mechanical anchoring

Active Publication Date: 2019-05-07
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to aim at the deficiencies in the prior art, provide a kind of preparation method of zinc oxide modified aramid fiber two-bath dipping solution, not only solve the problems of easy agglomeration, uneven dispersion and poor stability of nano-zinc oxide, And significantly improved the interfacial bonding strength and UV resistance between rubber and aramid fiber

Method used

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  • A kind of preparation method of zinc oxide modified aramid fiber two-bath dipping solution
  • A kind of preparation method of zinc oxide modified aramid fiber two-bath dipping solution
  • A kind of preparation method of zinc oxide modified aramid fiber two-bath dipping solution

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Embodiment 1

[0037] Embodiment 1: Preparation of aramid fiber one-bath dipping solution

[0038] First, mix E-44 (6101) type epoxy resin (50 parts) and deionized water (4275 parts) at 22°C, add 270 parts of diphenylmethane diisocyanate and stir evenly, then add 400 parts of deionized water Stir evenly to obtain a one-bath dipping solution for the aramid fibers.

Embodiment 2

[0039] Embodiment 2: Preparation of aramid fiber two-bath dipping solution

[0040] (1) Dissolve 1 part of 1799 type polyvinyl alcohol in 100 parts of deionized water, and stir in 1 part of Tween-80 emulsifier for 10 minutes; add 1 part of 30nm zinc oxide and stir for 10 minutes to become a dispersion; add 5.33 Parts of diphenylmethane diisocyanate, 6 parts of 600-type polyethylene glycol, 0.02 parts of triethylenediamine, react at 40°C for 30 minutes; then add 0.5 parts of ethylene glycol, react at 75°C for 60 minutes, and cool to room temperature to obtain Modified zinc oxide dispersion.

[0041] (2) Mix 6 parts of butylpyridine latex with 0.95 parts of deionized water at 23 ° C, add 5.7 parts of resorcinol-formaldehyde resin solution and stir evenly, then add 0.05 parts of deionized water and stir evenly, then add 0.24 parts Ammonia water (mass fraction 25%), 1 part of isocyanate, 1.2 parts of modified zinc oxide dispersion and 0.7 part of deionized water were stirred even...

Embodiment 3

[0042] Embodiment 3: Preparation of aramid fiber two-bath dipping solution

[0043] Prepare according to Example 2, only change the mass ratio of butylpyridine latex to water in step (2) to 3 / 1, and obtain the aramid fiber two-bath dipping solution.

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Abstract

The invention relates to a preparation method of zinc oxide modified aramid fiber two-bath dip solution. Latex is mixed with water, resorcinol-formaldehyde resin solution and water are added to continue mixing, and ammonia water, isocyanate, modified zinc oxide dispersion liquid and the water are mixed to obtain the aramid fiber two-bath dip solution. The preparation method not only solves the problems of easiness in agglomeration, non-uniform dispersion and poor stability of nano-zinc oxide, but also remarkably improves the boundary adhesion strength and the anti-ultraviolet performance of rubber and aramid fibers.

Description

technical field [0001] The invention relates to the field of preparation of aramid fiber dipping solution, in particular to a preparation method of zinc oxide modified aramid fiber two-bath dipping solution. Background technique [0002] Because aramid fiber has the characteristics of high strength, high modulus, low hysteresis loss, excellent high temperature resistance and low density, when it is used as the belt layer skeleton material of high-performance car radial tire, it can not only improve the tire's absorption of ground impact The ability to improve comfort and reduce noise. [0003] The rolling resistance of tires using aramid fiber as the belt skeleton material is lower than that of steel wire tires, and the rolling resistance of tires using hemmed belts is lower than that of exposed belts. When aramid fibers are used in truck tires, the weight of the carcass can be reduced and the fuel economy can be improved. Since the number of carcass plies is reduced, it i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/693D06M15/41D06M15/568D06M11/44D06M101/36
CPCD06M11/44D06M15/41D06M15/568D06M15/693D06M2101/36
Inventor 韩建汪伦合张斌苏娟娟
Owner ZHEJIANG SCI-TECH UNIV